| """Verify exception logging does not replace vanilla's catch or success path.""" |
| from pathlib import Path |
| import subprocess |
| import tempfile |
| import importlib.util |
|
|
| root = Path(__file__).resolve().parents[1] |
| with tempfile.TemporaryDirectory() as directory: |
| folder = Path(directory) |
| source = folder / "class_29.java" |
| source.write_text('''package net.minecraft; |
| public class class_29 { |
| public void method_262(boolean fail) { |
| try { if(fail) throw new java.io.IOException("diagnostic sentinel"); } |
| catch(Exception e) { System.out.println("original catch retained"); } |
| } |
| public static void main(String[] args) { |
| new class_29().method_262(true); |
| new class_29().method_262(false); |
| System.out.println("normal return retained"); |
| } |
| }''') |
| subprocess.run(["java", "-m", "jdk.compiler/com.sun.tools.javac.Main", "-d", directory, str(source)], check=True) |
| result = subprocess.run([ |
| "java", "--add-exports=java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED", |
| f"-javaagent:{root / 'diagnostics/player-save-diagnostics.jar'}", |
| "-cp", directory, "net.minecraft.class_29", |
| ], capture_output=True, text=True, check=True) |
| assert result.stderr.count("java.io.IOException: diagnostic sentinel") == 1 |
| assert "exception logging hooks=1" in result.stderr |
| assert result.stdout == "original catch retained\nnormal return retained\n" |
| print("PASS player-save exception visible; original catch and normal return unchanged") |
|
|
| |
| spec = importlib.util.spec_from_file_location("minecraft_stack_test", root / "minecraft_stack.py") |
| module = importlib.util.module_from_spec(spec) |
| spec.loader.exec_module(module) |
| with tempfile.TemporaryDirectory() as directory: |
| module.JAVA_DIR = Path(directory) |
| module._download = lambda _url, path, _sha: path.write_bytes(b"unrelated mod") |
| module._log = lambda _message: None |
| mods = module.JAVA_DIR / "mods" |
| mods.mkdir() |
| faulty = mods / "better-respawn-fabric-1.19-2.0.0.jar" |
| faulty.write_bytes(b"the pinned faulty mod") |
| marker = mods / "custom-mod.jar" |
| marker.write_bytes(b"preserve") |
| module.MinecraftStack()._ensure_voyager_mods() |
| assert not faulty.exists() |
| assert marker.read_bytes() == b"preserve" |
| assert len(list(mods.glob("*.jar"))) == 4 |
| print("PASS faulty Better Respawn mixin excluded; other Fabric mods retained") |
|
|
